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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  3. Stephen Mandel (Lone Pine Capital)
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  • Portfolio32
  • Performance40Q
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Hedge Fund · CIK 0001061165

Stephen Mandel

Lone Pine Capital
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  • Large Fund

Stephen Mandel runs Lone Pine Capital, a hedge fund overseeing $13.61B in disclosed equity holdings (SEC CIK 0001061165). The latest portfolio (2025Q4) discloses 32 positions across 9 sectors, with the largest positions in TSM, VST and CVNA. On a mark-to-market basis the tracked portfolio has returned 31.7% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Stephen's filingsView holdings↓
Portfolio
$13.61B
Positions
32
Quarter
2025Q4
Filings tracked
40
1Y+31.7%Since filing+177.7%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1
1-YearTWR
+31.66%
since 2024Q4
3-Year
—
insufficient history
5-Year
—
insufficient history
10-Year
—
insufficient history

Performance overview

We mark Stephen Mandel (Lone Pine Capital)'s disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). Stephen’s portfolio is 31.7% over the last 12 months · 177.7% since 2016Q1.

Portfolio growth vs SPY
Rebased to 100 at 2021Q2 · through 2025Q4
Stephen Mandel
+117.4%
SPY
+69.5%
Alpha
+47.8pp
48951411882342021Q22023Q32025Q4
Portfolio line is the GIPS-compliant time-weighted return chain-linked across the manager's quarterly 13F filings — unaffected by capital flows. Quarters with insufficient held-through coverage are skipped, which can briefly flatten the line.
Capital flow per quarter
BuysSellsNet
+$11.03B+$5.51B$0-$5.51B-$11.03B'21Q2'21Q3'21Q4'22Q1'22Q2'22Q3'22Q4'23Q1'23Q2'23Q3'23Q4'24Q1'24Q2'24Q3'24Q4'25Q1
Latest · 2025Q1
-$1.51B
Lifetime buys
$47.31B
Lifetime sells
$65.78B
Portfolio over time
AUMPositions
$0$10.24B$20.48B$31.03B3922'21Q2'23Q1'25Q1
QoQ AUM
-15.2%
16Q lifetime AUM
-63.2%
QoQ positions
-8
16Q lifetime positions
-13
Position concentration
22 positions
Top 1
9%
of book
  • Top 19%$1.01BMETA
  • Top 2-527%$3.07BINTU, AMZN, MSFT
  • Top 6-1025%$2.88BTSM, LPLA, COF
  • Top 11-2036%$4.13BFLUTTER ENTM, CVNA, PM
  • Rest3%$318.8MRest of port